15 



Lampropeltis triangulun Milk Snake 



Taxonomy: Collins et al. 1978; Baxter and Stone 1980. 



Distribution: Baxter 1947; Conant 1975; Bury et al. 1978; Baxter and 



Stone 1980. 

 Economic and legal status: Piatt et al. 1973; Bury et al . 1978. 

 Population characteristics: Wyoming Game and Fish Dept. 1977; Baxter 



and Stone 1980. 

 Habitat utilization: Stebbins 1954; Wright and Wright 1957; Fitch 



and Fleet 1970; Peterson 1974; Baxter and Stone 1980; Hammerson 



and Langlois 1981 . 

 Feeding: Fitch and Fleet 1970; Baxter and Stone 1980. 

 Breeding: Fitch 1970; Fitch and Fleet 1970. 

 Space use and temporal activity: Fitch and Fleet 1970; Baxter and 



Stone 1980. 

 Effects of habitat modification and management: Piatt et al. 1974; 



Baxter and Stone 1980; Hall 1980. 



Opheodrys vernal is Smooth Green Snake 



Taxonomy: Grobman 1941; Robins 1952; Smith 1963b; Peterson 1974; 



Conant 1975; Collins et al. 1978; Baxter and Stone 1980. 

 Distribution: Baxter 1947; Smith 1963b; Peterson 1974; Conant 1975; 



Bury et al. 1978; Baxter and Stone 1980. 

 Economic and legal status: Bury et al. 1978. 

 Population characteristics: Peterson 1974; Wyoming Game and Fish 



Dept. 1977; Baxter and Stone 1980. 

 Habitat utilization: Criddle 1937; Carpenter 1953a; Smith 1963b; 



Lang 1969; Collins 1974; Peterson 1974; Baxter and Stone 1980; 



Hammerson and Langlois 1981. 

 Feeding: Chace 1971; Collins 1974; Gregory 1977. 

 Breeding: Siebert and Hagan 1947; Fitch 1970; Peterson 1974. 

 Space use and temporal activity: Collins 1974. 

 Effects of habitat modification and management: Collins 1974; 



Peterson 1974; Piatt et al . 1974; Conant 1975; Punzo et al. 



1979; Hall 1980. 



Pituophis melanoleucus Bull Snake 



Taxonomy: Collins et al. 1978; Bal linger et al. 1979; Baxter and 



Stone 1980. 

 Distribution: Baxter 1947; Maslin 1964; Conant 1975; Bury et al. 



1978; Baxter and Stone 1980. 

 Economic and legal status: Bury et al. 1978; Baxter and Stone 1980. 

 Population characteristics: Wyoming Game and Fish Dept. 1977; Baxter 



and Stone 1980. 

 Habitat utilization: Hayward 1948; Stebbins 1954, 1966; Wright and 



Wright 1957; Hayward et al . 1958; Wheeler and Wheeler 1966; 



Parker and Brown 1973; Peterson 1974; Sharp 1979; U.S. 



Department of the Interior 1979; Baxter and Stone 1980; 



Hammerson and Langlois 1981; Diller and Johnson 1982. 



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